/Engine/Source/Runtime/Engine/Classes/Commandlets/Commandlet.h
Simulate an engine frame tick. Can be used by commandlets to tick various subsystems. If running with -AllowCommandletRendering, this will also tick rendering for the provided world scene(s).
namespace CommandletHelpers { void CommandletHelpers::TickEngine ( class [UWorld](API\Runtime\Engine\Engine\UWorld) * InWorld, double InDeltaTime ) }